package org.apache.lucene.analysis.util;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.TokenFilter;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.core.KeywordTokenizer;
import org.apache.lucene.analysis.fr.FrenchAnalyzer;
import org.apache.lucene.analysis.standard.StandardTokenizer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.analysis.util.CharArraySet;
/**
*
*/
public class TestElision extends BaseTokenStreamTestCase {
public void testElision() throws Exception {
String test = "Plop, juste pour voir l'embrouille avec O'brian. M'enfin.";
Tokenizer tokenizer = new StandardTokenizer(TEST_VERSION_CURRENT, new StringReader(test));
CharArraySet articles = new CharArraySet(TEST_VERSION_CURRENT, asSet("l", "M"), false);
TokenFilter filter = new ElisionFilter(tokenizer, articles);
List<String> tas = filter(filter);
assertEquals("embrouille", tas.get(4));
assertEquals("O'brian", tas.get(6));
assertEquals("enfin", tas.get(7));
}
private List<String> filter(TokenFilter filter) throws IOException {
List<String> tas = new ArrayList<String>();
CharTermAttribute termAtt = filter.getAttribute(CharTermAttribute.class);
filter.reset();
while (filter.incrementToken()) {
tas.add(termAtt.toString());
}
filter.end();
filter.close();
return tas;
}
public void testEmptyTerm() throws IOException {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new KeywordTokenizer(reader);
return new TokenStreamComponents(tokenizer, new ElisionFilter(tokenizer, FrenchAnalyzer.DEFAULT_ARTICLES));
}
};
checkOneTerm(a, "", "");
}
}